linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Intel Merrifield SoC pinctrl driver

 *

 * Copyright (C) 2016, Intel Corporation

 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

 */

​

#include <linux/bits.h>

#include <linux/err.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/mod_devicetable.h>

#include <linux/platform_device.h>

#include <linux/pinctrl/pinconf.h>

#include <linux/pinctrl/pinconf-generic.h>

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinmux.h>

​

#include "pinctrl-intel.h"

​

#define MRFLD_FAMILY_NR         64

#define MRFLD_FAMILY_LEN        0x400

​

#define SLEW_OFFSET         0x000

#define BUFCFG_OFFSET           0x100

#define MISC_OFFSET         0x300

​

#define BUFCFG_PINMODE_SHIFT        0

#define BUFCFG_PINMODE_MASK     GENMASK(2, 0)

#define BUFCFG_PINMODE_GPIO     0

#define BUFCFG_PUPD_VAL_SHIFT       4

#define BUFCFG_PUPD_VAL_MASK        GENMASK(5, 4)

#define BUFCFG_PUPD_VAL_2K      0

#define BUFCFG_PUPD_VAL_20K     1

#define BUFCFG_PUPD_VAL_50K     2

#define BUFCFG_PUPD_VAL_910     3

#define BUFCFG_PU_EN            BIT(8)

#define BUFCFG_PD_EN            BIT(9)

#define BUFCFG_Px_EN_MASK       GENMASK(9, 8)

#define BUFCFG_SLEWSEL          BIT(10)

#define BUFCFG_OVINEN           BIT(12)

#define BUFCFG_OVINEN_EN        BIT(13)

#define BUFCFG_OVINEN_MASK      GENMASK(13, 12)

#define BUFCFG_OVOUTEN          BIT(14)

#define BUFCFG_OVOUTEN_EN       BIT(15)

#define BUFCFG_OVOUTEN_MASK     GENMASK(15, 14)

#define BUFCFG_INDATAOV_VAL     BIT(16)

#define BUFCFG_INDATAOV_EN      BIT(17)

#define BUFCFG_INDATAOV_MASK        GENMASK(17, 16)

#define BUFCFG_OUTDATAOV_VAL        BIT(18)

#define BUFCFG_OUTDATAOV_EN     BIT(19)

#define BUFCFG_OUTDATAOV_MASK       GENMASK(19, 18)

#define BUFCFG_OD_EN            BIT(21)

​

/**

 * struct mrfld_family - Intel pin family description

 * @barno: MMIO BAR number where registers for this family reside

 * @pin_base: Starting pin of pins in this family

 * @npins: Number of pins in this family

 * @protected: True if family is protected by access

 * @regs: family specific common registers

 */